Who said "I'm-a scared of a lot of things, but I'm not scared of you!"?

This quote is attributed to Luigi.

I'm-a scared of a lot of things, but I'm not scared of you! - Luigi

"I'm-a scared of a lot of things, but I'm not scared of you!"

Luigi Courage

"It's-a me, Luigi!"

"Mamma mia!"

"Let's-a-go!"

"I'm-a scared, but I'm-a going anyway!"

"Never let fear stop you from chasing your dreams."

"Courage is being afraid but doing it anyway."

"Sometimes you gotta do what you gotta do."

"Sometimes you have to be the monster to stop the monsters."